12,13-Didehydro-13,14-dihydro-alpha-erythroidine 16(15H)-Oxaerythrinan-15-one, 1,2,6,7-tetradehydro-14,17-dihydro-3-methoxy-, (3-beta)- 4-27-00-03568 (Beilstein Handbook Reference) 466-81-9 596-11-2 6045-39-2 BRN 0036194 beta-ERYTHROIDINE